字符串方法有
isdigit什么问题吗？
>>> ls = ['1a', 'b3', '1']>>> cleaned = [ x for x in ls if x.isdigit() ]>>> cleaned['1']>>>
字符串方法有
isdigit什么问题吗？
>>> ls = ['1a', 'b3', '1']>>> cleaned = [ x for x in ls if x.isdigit() ]>>> cleaned['1']>>>
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